Rework SMPI initialization to handle argc and argv earlier than in MPI_Init when...

[simgrid.git] / src / smpi / internals / smpi_replay.cpp

diff --git a/src/smpi/internals/smpi_replay.cpp b/src/smpi/internals/smpi_replay.cpp
index e503a21..d55ff23 100644 (file)
--- a/src/smpi/internals/smpi_replay.cpp
+++ b/src/smpi/internals/smpi_replay.cpp
@@ -134,7 +134,10 @@ public:
     /* Sometimes we need to re-insert MPI_REQUEST_NULL but we still need src,dst and tag */
     void addNullRequest(int src, int dst, int tag)
     {
-      store.insert({req_key_t(src, dst, tag), MPI_REQUEST_NULL});
+      store.insert({req_key_t(
+            MPI_COMM_WORLD->group()->actor(src)->get_pid()-1,
+            MPI_COMM_WORLD->group()->actor(dst)->get_pid()-1,
+            tag), MPI_REQUEST_NULL});
     }
 };
 
@@ -701,7 +704,9 @@ static std::unordered_map<aid_t, simgrid::smpi::replay::RequestStorage> storage;
 /** @brief Only initialize the replay, don't do it for real */
 void smpi_replay_init(int* argc, char*** argv)
 {
-  simgrid::smpi::Process::init(argc, argv);
+  if (not smpi_process()->initializing()){
+    simgrid::smpi::ActorExt::init(argc, argv);
+  }
   smpi_process()->mark_as_initialized();
   smpi_process()->set_replaying(true);
 
@@ -744,9 +749,8 @@ void smpi_replay_init(int* argc, char*** argv)
     XBT_VERB("Delayed start for instance - Sleeping for %f flops ",value );
     smpi_execute_flops(value);
   } else {
-    //UGLY: force a context switch to be sure that all MSG_processes begin initialization
-    XBT_DEBUG("Force context switch by smpi_execute_flops  - Sleeping for 0.0 flops ");
-    smpi_execute_flops(0.0);
+    // Wait for the other actors to initialize also
+    simgrid::s4u::this_actor::yield();
   }
 }